v0.2.13

Release 0.2.13

Highlights

• Add duration-based video control for animations.
• Add CRF support (default 20) for encoding quality.
• Disallow single‑frame animations; inputs must be 3D with time dimension.
• Documentation revamp and API/usage clarifications (fps/upsample/duration rule, CRF).

Notable changes

• New duration argument for animation output timing.
• Improved docs organization and updated README assets.